675results about How to "The implementation effect is good" patented technology

The invention relates to a wireless sensor network node positioning method based on RSSI verification, belonging to the field of electric communication technique; the method is characterized in that: distance between anchor nodes and signal strength information are taken as references; RSSI values between movable nodes and the anchor nodes are verified so as to rectify the weight of the anchor nodes on unknown nodes, thus gaining the node positioning; after the method is adopted, the node positioning of wireless sensor network with higher precision is realized, and the method is especially suitable to the movable object positioning and tracking application of the wireless sensor network such as underground miner management system and the like.

The invention relates to a contact network key position dynamic offset detection method and a device thereof. A detection identification is arranged on objects at the key position of the contact network to be detected such as contact line of the section, carrier cable, dropper and upright of the detected contact network, an online CCD detection device is arranged on the upright of the contact network, a CCD camera acquires video image of the contact network, the detected displacement and quantity of motion are stored and amplitude, angle of twist and corresponding time course curve are drawn, and the online CCD detection device transmits the data to an upper machine room data center by virtue of a wireless communication module. The method and device of the invention are non contact and self-calibration, practicability is strong, and synchronous monitoring is carried out, so as to obtain data and image; amplitude, frequency, angle of twist and corresponding time course curve are recorded in real time and are used for analyzing influence of the stability of the contact network in high wind environment or under the action of other factors, and travelling is guided according to the real-time deviation state of the contact network.

The invention provides a parking guidance system regulation and control method taking parking time into account. A multi-purpose parking guidance system dynamically displays the road traffic condition in an area, information of parking space of various large parking lots and information of difficulty of parking in the parking lots in a road network diagram. The parking guidance system regulation and control method comprises the steps that parking time information is selected as an index of the difficulty of parking in the parking lot, wherein the parking time information includes the parts which are the road traveling time for a vehicle to reach the parking lot, the time for the vehicle to queue outside the parking lot for entrance, and the time for the vehicle to search for parking space in the parking lot; calculation models of the parts of the parking time are built, and the mode of combination between color guidance and time publishing is selected to publish the parking time information on a parking guidance screen through wireless communication. According to the parking guidance system, a driver can be helped to rapidly learn about the conditions of the parking space in the parking slots in the area and the difficulty of parking in the parking slots, and makes a scientific and reasonable choice. The utilization rates of the parking slots can be balanced, the parking efficiency of the driver can also be improved, and the dynamic and static state traffic guidance integration design is achieved.

The invention relates to a vacuum clamp for machining a porous sheet and a using method thereof and belongs to the technical field of conveying thin appliances. The vacuum clamp comprises a baseplate, a positioning device, an air guide device, a vacuum generating device and a sealing device; the vacuum clamp is characterized in that: shallow cavities adaptive to the shape of a machined part are distributed on the baseplate; air guide holes are distributed in each shallow cavity; each shallow cavity and the underside of the machined part form a vacuum cavity, so the machined part is adsorbed on the baseplate; the positioning device limits the movement of the machined part on the baseplate so as to make the machined part in a clamping state; the air guide device is connected with the baseplate and the vacuum generating device; the sealing device comprises sealing bars and through hole sealing elements; the sealing bars are distributed on the peripheral edges of the shallow cavities; and the through hole sealing elements are distributed in the shallow cavities. The vacuum clamp adopts a reliable positioning mode, the shape of the vacuum cavities is matched with the shape of the part, and the adsorption area can be farthest utilized.

The invention relates to an Internet-based payment channel integrating method which is characterized by comprising the following steps: firstly, a customer accesses an Internet for selecting goods, and selects a payment settlement mode; secondly, the customer encrypts relevant order information and submits an order; thirdly, a merchant sever checks and confirms purchasing information of the customer and ensures that electronic money issuers such as a bank check the purchasing information to obtain authentication of payment fund; fourthly, after the bank checks and confirms the purchasing information, confirming and payment settlement information is transmitted back to the merchant server through an encrypting communication channel; fifthly, settlement is carried out by means of a financial private network, and payment settlement success information is sent; and finally, the merchant server sends network payment success information and delivery release to the customer. Therefore, all modes of global payment can be completed on the provided payment platform. From different aspects and different links, data security of a user using a payment channel is strictly protected, and the problem of information data security of the user is solved.

The invention discloses a water-soluble fertilizer containing chitin and humic acid and a production method thereof. The method is characterized by degrading chitin, a natural high polymer, and then mixing chitin with humic acid solution and nitrogen fertilizer to produce the water-soluble fertilizer containing chitin and humic acid. The produced water-soluble fertilizer contains 20-40g/l of chitin, 20-40g/l of nitrogen, 170-190g/l of humic acid and 1-5g/l of plant growth regulators. The method is simple, easy to operate and high in feasibility of implementation. The produced water-soluble fertilizer integrates the functions of nutrition supplement, bacteria immunity and virus immunity, improves soil conditions, prevents hardening, raises ground temperature, promotes prematurity, resists diseases and tolerates stress, resists continuous cropping and balances nutrition, and features stable status and lasting fertilizer efficiency.

A power transmission line wind vibration control method based on power transmission line iron tower and lead or ground wire integrated system model calculation and multi-dimensional random gust field simulation includes the steps: firstly, generating a wind load time history sample by the aid of harmonic synthesis to simulate a wind field based on a multi-dimensional random vibration theory; secondly, establishing a dynamic model of an integrated system of a tower, lead or ground wire and wind vibration control device, analyzing the initial state of a lead or a ground wire and setting boundary conditions of the model; thirdly, converting wind load into wind pressure, loading a power transmission tower and line system and calculating time history of axial stress and displacement of an iron tower rod by the aid of simulation software; and fourthly, analyzing and judging wind vibration strength and wind vibration suppression effects and improving control effects by the aid of an optimization scheme. On the basis of rigid-flexible dynamic coupling among a power transmission line tower, the lead and the ground wire and fluid-solid coupling between a random gust wind field and a tower and lead or ground wire system structure, the determined wind vibration control method has better implementation effects.

The invention provides an MVVM-framework-based view page displaying method and apparatus. The method comprises: when receiving of a first external input by a view controller is determined, the view controller sends an original data request to a data controller; after the data controller receives the original data request, the data controller makes a request of corresponding original data to a data storage device, receives the original data, generates a view data array, and sends the view data array to a view data processing controller; the view data processing controller processes the view data array to obtain view display data; and after receiving of a second external input by a view control element is determined, the view control element sends a view display data request to the view data processing controller, receives view display data sent by the view data processing controller, and displays the view display data at a view page. In addition, the invention also discloses a corresponding MVVM-framework-based view page displaying apparatus.

The invention discloses a magnesium alloy anticorrosion coating and a preparation method thereof, and belongs to the field of metal corrosion and protection. The invention aims to solve the problem that magnesium alloy is easy to corrode in application. A dry film of the coating provided by the invention comprises the components in percentage by mass: 19 to 25 percent of epoxy resin, 19 to 25 percent of polyamide, 50 to 60 percent of pure magnesium powder, 0.5 percent of deformer BYK-A530 and 0.5 to 1.5 percent of titanate coupling agent. In the method, the epoxy resin and the polyamide are respectively dissolved in the mixture solution of xylene and n-butanol in a mass ratio of 7:3 to respectively prepare the solution with the mass fraction of 62.5 percent; the magnesium powder and epoxy resin solution are mixed uniformly, the titanate coupling agent is added, the mixture is stirred uniformly, polyamide solution and the deformer BYK-A530 are added, and the mixture is dispersed for 5 minutes and cured for 5 minutes to obtain the magnesium alloy anticorrosion coating. The coating has the advantages of high cathodic protection and corrosion resistance and simple preparation process.

The invention relates to a linear motor drive platform for a PCB driller, which belongs to the technical field of high-speed drive. The platform comprises a fundamental fixed platform, a motor rotor, a guide rail, a fixed plate, a motor stator and a sliding block, wherein the motor rotor and the guide rail are arranged on the fundamental fixed platform; the stator with smaller mass is arranged on the movable fixed plate; the fixed plate is arranged on the sliding block; and the stator moves along the guide rail with the fixed plate. The platform can effectively reduce total mass of moving parts without generating overmuch vibration, and is more effective when the platform drives in vertical direction. Meanwhile, heat generated by the rotor can be consumed in time through the fundamental fixed platform with large volume, so that excellent working environment and stability of the linear motor drive platform can be ensured. Therefore, the platform can be popularized and applied in the same industry.

The invention relates to a method for recycling sewage cleaning waste plastic and a device thereof. The method comprises the steps that the waste plastic is sorted, crushed, cleaned and dried and can be sold; and washing sewage is filtered, electrolyzed, aerated, flocculated and deposited and can be recycled after filtering. The device is characterized in that a conveyer belt is arranged between a crushing mill and a cleaning machine; a sewage outlet pipe of the cleaning machine is communicated with a water collecting and filtering tank, an electrolyzing tank, an aerating tank, a dosing tank, a sedimentation tank, a filter tank and a reservoir sequentially; the bottoms of the aerating tank and the dosing tank are provided with an aerating head which is communicated with a turbine aeration machine; the bottoms of the dosing tank and the sedimentation tank are communicated with a sludge pool by a sludge pipe and a reflux pump; and the reservoir is communicated with the cleaning machine by a pipeline and a back water pump. The method and the device not only can recycle the waste plastic and reduce the pollution to the environment caused by white garbage, but the sewage can also be recycled and utilized after treatment and is discharged in compliance with standard finally. The dirt produced during the sewage treatment process can be reused after condensing.

The invention discloses a method for planting pinellia tuber artificially, applying the tuber of pinellia tuber as parent stem; choosing proper parent stem and the amount of parent stem, working soil according to a certain demand, planting at a proper temperature and in a proper mode, managing the field carefully. The method can realize the scale planting of the penillia tuber. The method is characterized by the high yield, low cost, and good implement effect. The method is easy to control and operate, and by implementing the method the paradox of supply and demand can be solved.

The invention relates to anti-yellowing PVC which belongs to the technical field of organic polymer compounds. The invention comprises the following components (weight percent): 41 to 50 percent of PVC, 24 to 30 percent of plasticizer, 1 to 3 percent of stabilizer, 0.1 to 0.2 percent of antioxidant, 1 to 4 percent of UV absorbent, 0.1 to 1 percent of lubricant, 0.03 to 0.1 percent of pigment, and 15 to 20 percent of filler. The invention can cause the PVC to achieve better anti-yellowing property, and the finished goods are white and have good weather and transfer resistance effects.

The invention discloses quick and thinning stamping processing new energy automobile battery shell steel and a method for producing the same. The quick and thinning stamping processing new energy automobile battery shell steel comprises chemical components including, by weight, 0.0030-0.0060% of C, 0.10-0.20% of Mn, less than or equal to 0.03% of Si, 0.050-0.090% of Als, 0.050-0.070% of Ti, less than or equal to 0.015% of P, less than or equal to 0.012% of S, less than or equal to 0.0040% of N, the balance Fe and inevitable impurities. The method includes steelmaking, continuous casting, hot rolling, reeling, cold rolling, continuous annealing and flattening working procedures. The quick and thinning stamping processing new energy automobile battery shell steel and the method have the advantages that the quick and thinning stamping processing new energy automobile battery shell steel produced by the aid of the method can adapt to quick stamping and thinning stamping processing requirements, and the problem of poor forming properties of low-carbon battery shell steel can be solved by the aid of the quick and thinning stamping processing new energy automobile battery shell steel andthe method; control points of technologies for producing the quick and thinning stamping processing new energy automobile battery shell steel are clear and definite, and the quick and thinning stamping processing new energy automobile battery shell steel and the method are good in implementation and low in production cost.

This invention provides one plastic piston and its process method and mode, which is made by plastic materials with several connection tubes, wherein, each connection tube inner end is connected to valve chip socket; each connection tube outer end is connected to water-in tube or exit tube. This invention process method comprises the following steps: a, parts processing; b, parts assembling; c, mode fixing; d, mode integrating; e plastic injection; f, surface processing; g, assembling product.

The invention discloses a video monitoring scene judging method and device and a monitoring image coding method and device thereof, wherein the video monitoring scene judging method comprises the steps of: obtaining a former video image frame and a current video image frame which are monitored by a front end video monitoring device; subtracting the former video image frame from the current video image frame to obtain an image residual frame; determining a brightness value of each pixel point in the obtained image residual frame; according to the determined brightness value of each pixel point, determining a proportional value of the quantity of the pixel points with non-zero brightness values and the quantity of all pixel points in the residual frame; if the determined proportional value is more than a set proportional threshold, judging that the monitoring scene where the front end video monitoring device is in is a moveable scene; otherwise, judging that the monitoring scene where the front end video monitoring device is in is a static scene. According to the invention, adaptive coding modes are adopted for video images monitored under different monitoring scenes, thus image coding quality of video monitoring is improved.

The invention relates to equipment for processing Biluochun tea, which comprises a tray, a tea frying pot, a bracket and a heating device. The tea frying pot is arranged inside the bracket; the heating device is connected between the tray and the tea frying pot; the equipment is characterized by also comprising a motor, a speed reducer, a rolling device and a comprehensive controlling device; the tea frying pot is placed on the tray; the heating device is connected between the tray and the tea frying pot; the tray is connected with the motor through the speed reducer; one end of the rolling device is connected with the bracket; the other end of the rolling device is put into the tea frying pot; the comprehensive controlling device is connected with the motor; and the rolling device comprises a rolling tea retainer and a rolling tea turner. After the equipment is adopted, the equipment can realize the automatic frying of the Biluochun tea, greatly reduce the difficulty of tea frying and is more convenient for developing large-scale production while saving manpower.

The invention discloses a water feed and drainage pipe as well as a leakage detection system and a detection method thereof. A leakage detection device is provided with a detection circuit; the water feed and drainage pipe comprises an inner insulation layer and a test layer arranged on the outer side of the inner insulation layer; the test layer comprises a first conductive layer and a second conductive layer; an insulation barrier layer is arranged between the first conductive layer and the second conductive layer; the positive electrode and the negative electrode of the leakage detection device are respectively connected with the first conductive layer and the second conductive layer; when the water feed and drainage pipe is broken, conductive media inside and outside the water feed and drainage pipe communicate the first conductive layer with the second conductive layer, to form a loop for the detection circuit in the leakage detection device. In case of leakage of the water feed and drainage pipe, the leakage detection system can detect occurrence and an occurrence position of a leakage event in time, accurately and conveniently; furthermore, the leakage detection system is convenient to operate and high in enforceability.